4.3　Anchor Bolts

4.3.1　The specifications and fastening force of anchor bolts shall be in accordance with design requirements.

4.3.2　Oil dirt and oxide-scale on anchor bolts shall be removed，and a proper amount of grease shall be applied to threads.

4.3.3　The anchor bolt shall be screwed into the reserved hole vertically，and any part of it shall be at least 15mm away from the wall of the hole and the bolt shall not touch the bottom of the hole.